如何在数组中保存NSUserDefault的值，以及如何检索和POST

Question

我要将NSUserDefault的值保存到Array中，稍后必须POST值  请使用HTTP POST，m尝试此代码，其工作正常（当我重新打开我的应用程序值重新出现在屏幕上）但是当我输入tte值....它显示userneme = null，database = null .....）我应该怎么做。我应该将NSUserDefault的值保存到数组然后POST ,,,, plz帮助我.....代码将被appcaciated ... Thanx in Advance

[NSUserDefaults resetStandardUserDefaults];

NSUserDefaults *storeData = [NSUserDefaults standardUserDefaults];
[storeData setObject:utextFieldNormal.text forKey:@"username"];
[storeData setObject:urltextFieldNormal.text forKey:@"url"];
[storeData setObject:dtextFieldNormal.text forKey:@"database"];



[storeData setObject:utextFieldNormal.text forKey:@"username"];
[storeData setObject:urltextFieldNormal.text forKey:@"url"];
[storeData setObject:dtextFieldNormal.text forKey:@"database"];

NSString *val1= [storeData valueForKey:@"username "];
NSString *val2= [storeData valueForKey:@"url"];
NSString *val3= [storeData valueForKey:@"database "];



//NSLog(@"username:%@",username);
NSLog(@"username:%@",val1);
NSLog(@"url:%@",val2);
NSLog(@"database:%@",val3);

[storeData synchronize];

Answer 1

这是实际的代码复制/粘贴吗？传递给valueForkey的键字符串在末尾有额外的空格。删除空格，它会正常工作。